Home / 13,806.24-19,052.64-7,518.56

Finding the Fourth Proportional to 13,806.24, 19,052.64 and 7,518.56

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Solution

The fourth proportional to 13,806.24, 19,052.64 and 7,518.56 is: 10,375.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.24 : 19,052.64 = 7,518.56 : x
  2. Step 2: Convert to fraction form
    13,806.24/19,052.64 = 7,518.56/x
  3. Step 3: Cross multiply
    13,806.24x = 19,052.64 × 7,518.56
  4. Step 4: Simplify right side
    13,806.24x = 143,248,417.00
  5. Step 5: Solve for x
    x = 143,248,417.00/13,806.24
  6. Step 6: Final answer
    x = 10,375.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.